body{
    min-width: 1700px;
    padding: 0 20px;
}
.layui-col-md12{
    width: 95%;
}
#box{
    width:600px;
    margin: 0 auto;
    margin-top: 50px;
}
span{
    color:#999;
}
a{
    float: right;
}
#classification{
    float: left;
}
#preview{
    width:360px;
    height: 360px;
    border: 1px solid gainsboro;
}
#demo1{
    width:100px;
    height: 100px;
    border: solid 1px #ccc;
}
#demo2{
    width:300px;
    height: 300px;
    border: 1px solid #ccc;
}
.backColor{
    background-color: #F1F1F1;
}
.btnRight{
    float: right;
}
.fl{
    float: left;
}

.hide{
    display: none;
}
.layui-form-label{
    width: 90px;

}
.layui-input, .layui-form-select dl{
    width: 97%;
}
.layui-form-select dl{
    min-width: 97%;
    left: 9px;
}